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LT1613CS5

1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23

Linear Technology 

LT1613

ABSOLUTE MAXIMUM RATINGS

(Note 1)

VIN Voltage .............................................................. 10V

SW Voltage ................................................– 0.4V to 36V

FB Voltage ..................................................... VIN + 0.3V

Current into FB Pin ............................................... ±1mA

SHDN Voltage .......................................................... 10V

Maximum Junction Temperature .......................... 125°C

Operating Temperature Range

Commercial ............................................. 0°C to 70°C

Extended Commercial (Note 2) ........... – 40°C to 85°C

Storage Temperature Range ................. – 65°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300°C

PACKAGE/ORDER INFORMATION

TOP VIEW

SW 1

GND 2

FB 3

5 VIN

4 SHDN

S5 PACKAGE

5-LEAD PLASTIC SOT-23

ORDER PART NUMBER

LT1613CS5

S5 PART MARKING

LTED

Consult factory for Industrial and Military grade parts.

ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. Commercial grade 0°C to 70°C, VIN = 1.5V, VSHDN = VIN unless

otherwise noted. (Note 2)

PARAMETER

Minimum Operating Voltage

Maximum Operating Voltage

Feedback Voltage

FB Pin Bias Current

Quiescent Current

Quiescent Current in Shutdown

Reference Line Regulation

Switching Frequency

Maximum Duty Cycle

Switch Current Limit

Switch VCESAT

Switch Leakage Current

SHDN Input Voltage High

SHDN Input Voltage Low

SHDN Pin Bias Current

CONDITIONS

VSHDN = 1.5V

VSHDN = 0V, VIN = 2V

VSHDN = 0V, VIN = 5V

1.5V ≤ VIN ≤ 10V

(Note 3)

ISW = 300mA

VSW = 5V

VSHDN = 3V

VSHDN = 0V

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

MIN

TYP

MAX

UNITS

0.9

1.1

V

10

V

q 1.205

1.23

1.255

V

q

27

80

nA

3

4.5

mA

0.01

0.5

µA

0.01

1.0

µA

0.02

0.2

%/V

q 1.0

1.4

1.8

MHz

q

82

86

%

550

800

mA

300

350

mV

0.01

1

µA

1

V

0.3

V

25

50

µA

0.01

0.1

µA

Note 2: The LT1613C is guaranteed to meet performance specifications

from 0°C to 70°C. Specifications over the – 40°C to 85°C operating

temperature range are assured by design, characterization and correlation

with statistical process controls.

Note 3: Current limit guaranteed by design and/or correlation to static test.

2

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